140356338427 has 4 divisors (see below), whose sum is σ = 142333188336. Its totient is φ = 138379488520.

The previous prime is 140356338379. The next prime is 140356338449. The reversal of 140356338427 is 724833653041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 724833653041 = 421423 ⋅1719967.

It is a cyclic number.

It is not a de Polignac number, because 140356338427 - 2⁷ = 140356338299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140356338457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 988424848 + ... + 988424989.

It is an arithmetic number, because the mean of its divisors is an integer number (35583297084).

Almost surely, 2^140356338427 is an apocalyptic number.

140356338427 is a deficient number, since it is larger than the sum of its proper divisors (1976849909).

140356338427 is an equidigital number, since it uses as much as digits as its factorization.

140356338427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1976849908.

The product of its (nonzero) digits is 1451520, while the sum is 46.

The spelling of 140356338427 in words is "one hundred forty billion, three hundred fifty-six million, three hundred thirty-eight thousand, four hundred twenty-seven".